| Key Derrick NDirector · 131 transactions | — | 1.41M†as of Feb 2007 | 51.0K | — | 107.0K |
| Jellison Brian DExecutive Chairman, Director · 85 transactions | — | 1.40Mas of Nov 2018 | 3.30M | — | 1.37M |
| Calder Donald GDirector · 228 transactions | — | 635.3K†as of Aug 2008 | 16.0K | — | 212.5K |
| Hunn Laurence NeilPresident and CEO, Director · 69 transactions | — | 177.3K† | 320.5K | 10.0K | 212.0K |
| Humphrey JohnEVP, Chief Financial Officer · 70 transactions | — | 90.1Kas of Feb 2017 | 547.0K | — | 354.9K |
| Soni Paul JExecutive Vice President · 52 transactions | — | 66.8K†as of Nov 2018 | 150.8K | — | 77.8K |
| Winfrey Timothy JVP,Energy Systems & Controls · 91 transactions | — | 64.5Kas of Jan 2011 | 110.0K | — | 43.0K |
| Scocimara Eriberto RDirector · 18 transactions | — | 64.5K†as of May 2006 | 8.0K | — | 17.0K |
| Towe Michael WVP, Chief Financial Officer · 3 transactions | — | 64.4Kas of Mar 2006 | 20.0K | — | 20.0K |
| Liner David BVP, General Counsel & Secretar · 35 transactions | — | 62.4Kas of Jan 2016 | 90.0K | — | 16.3K |
| Schall Riaucour George GrafDirector · 1 transaction | — | 52.0Kas of Mar 2006 | 8.0K | — | — |
| Wright ChristopherDirector · 208 transactions | — | 48.8K†as of May 2025 | 132.7K | — | 116.4K |
| Stipancich John KExecutive VP, GC & Secretary · 45 transactions | — | 35.6K | 88.0K | — | 28.0K |
| Crocker N WillVP, Instrumentation · 80 transactions | — | 33.5K†as of May 2011 | 183.5K | — | 170.1K |
| Crisci RobertExecutive VP and CFO · 42 transactions | — | 30.9Kas of Nov 2022 | 111.2K | — | 68.0K |
| Conley JasonEVP, Chief Financial Officer · 49 transactions | — | 28.6K† | 88.2K | — | 50.5K |
| Wood Benjamin WVP Scientific and Industrial I · 73 transactions | — | 22.4K†as of Feb 2011 | 62.9K | — | 46.7K |
| Thatcher Laura GDirector · 13 transactions | — | 22.1K | 23.1K | — | 1.0K |
| Brinkley Amy WoodsDirector · 17 transactions | — | 19.4K | 23.1K | 1.2K | 3.0K |
| Prezzano Wilbur JDirector · 106 transactions | — | 17.8Kas of Jun 2020 | 129.8K | — | 123.5K |
| Fort John F IIIDirector · 52 transactions | — | 15.6K†as of Feb 2022 | 109.6K | — | 108.1K |
| Knowling Robert E JrDirector · 31 transactions | — | 13.9Kas of Jun 2020 | 44.8K | 37.82 | 31.0K |
| Wallman Richard FDirector · 53 transactions | — | 13.9K | 59.2K | 6.5K | 8.9K |
| Devonshire David WDirector · 47 transactions | — | 12.5Kas of Jun 2015 | 44.0K | — | 43.5K |
| Banks W LawrenceDirector · 43 transactions | — | 10.1Kas of Sep 2008 | 36.0K | — | 47.0K |
| Archambeau Shellye LDirector · 15 transactions | — | 9.5K | 11.5K | — | 479 |
| Joyce Thomas Patrick JRDirector · 9 transactions | — | 6.5K† | 5.1K | 1.4K | — |
| Johnson Robert DDirector · 79 transactions | — | 5.9K | 59.1K | — | 56.9K |
| Esteves Irene MDirector · 8 transactions | — | 5.1K | 5.1K | — | — |
| Murphy John FrancisDirector · 4 transactions | — | 2.7K | 2.7K | — | — |
| Cross Brandon LVP and Corporate Controller · 10 transactions | — | 1.2K† | 2.6K | — | 750 |